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Finding the Fourth Proportional to 251,095.73, 376,601.99 and 82,618.16

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Solution

The fourth proportional to 251,095.73, 376,601.99 and 82,618.16 is: 123,913.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,095.73 : 376,601.99 = 82,618.16 : x
  2. Step 2: Convert to fraction form
    251,095.73/376,601.99 = 82,618.16/x
  3. Step 3: Cross multiply
    251,095.73x = 376,601.99 × 82,618.16
  4. Step 4: Simplify right side
    251,095.73x = 31,114,163,994.55
  5. Step 5: Solve for x
    x = 31,114,163,994.55/251,095.73
  6. Step 6: Final answer
    x = 123,913.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.